In article
<r02010400-1037-20A8A440798C11D9A333000393758032@[10.0.1.2]>,
David Menendez <zednenem at psualum.com> wrote:
> As I understand it, TAI and UTC can both be described in terms of a
> clock counting SI seconds. The difference is that a TAI day is always
> 86400 seconds long, whereas a UTC day can be 86399 - 86401 seconds,
> depending on which second it is.
Yes.
> Using TAI, we can always convert a date and clock time to a count of
> seconds and vice-versa without any additional information. To do the
> same with UTC, we need a table of leap-seconds.
No. Date and clock times are usually UTC or some offset (time-zone)
thereof. Converting to TAI requires a table of leap-seconds.
--
Ashley Yakeley, Seattle WA